Some Useful Constants and Conversion Factors

Values of Some Useful Constants and Conversion Factors 

Quantity formula s Atomic units SI units Other units (ppm) 

Bohr magneton Nuclear magneton Electric dipole moment of electron-proton separated by one Bohr radius 

Time for Is electron in hydrogen atom to travel one bohr radius Atomic unit of velocity Atomic unit of volume Atomic unit of probability density 

SeealsoRJ. Mohr and B.N. Taylor, Rev. Mod. Phys. 72 (2000) for revised values. 

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